5 Next use "Volume Down" button to get to the "wipe data/factory reset" option. 6. When in recovery mode the "Volume Up" and "Volume Down" buttons are how to can navigate and highlight what option you need. 7. Once you have selected the "wipe data/factory reset", press the "Power" button to select that option. 8. Thesecodes have been tested in a few Chinese mobile phones with success and these codes should also work in almost all other Chinese cell phones. Enter into Engineering Mode: *#110*01# Enter into Factory Mode: *#987# Restore Factory Settings: *#987*99# Check Software Version: *#900# OR *#800# Default User Codes: , 1234, 5678 Ihave the 8702 which has the same code 1983. I got from youtube the video without sound but the gue shows the factory setup and I saw he typed the 1983. Tried on the 8702 model and it worked. The 8702 is different model with GPS, FM, rear back camera, dash cam. They all work on my car. Only the steering wheel control doesn't work. 1Log into your Samsung Account ID and password. If you're not sure what your credentials are you can try to Find a Samsung Account ID or Reset the Password. 2 Select the Device from the menu on the left. 3 Select the Erase Data option from the action menu. 4 Select the Erase button on the popup. Usethe up-down navigation buttons on your remote to move to "Wipe data/factoy reset" option and then press the "OK" button to open it. If you don't have a remote or it's not functioning then connect a mouse to your TV. 9. Now, move to "Yes" and press the "OK" button. You are done. Now, your TV will start the process to hard reset itself. W9dXNz.

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